<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <div>
        <div>主支：完成版本开发1.0</div>
        <div>分支：升级版本2.0</div>
        <div>分支：升级版本3.0</div>
        <div>升级版本4.0</div>
        <div>提交</div>
    </div>
</body>
</html>